document.write( "Question 976761: a work have to be complete in 10 days but 280 worker after 3 days work they complete only 1/4 of work , how much worker are required for complete the work in 10 days \n" ); document.write( "

Algebra.Com's Answer #598296 by josgarithmetic(39614) $\"\"$ $\"About$

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r, rate for one worker.
\n" ); document.write( " $\"280r%2A3=1%2F4\"$
\n" ); document.write( " $\"r=1%2F%284%2A3%2A280%29\"$ \r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Want time to be 10 days, so requirement to finish doing 3/4 job is in need of n more workers, in $\"10-3=7\"$ days.\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "If n is how many ADDITIONAL workers,
\n" ); document.write( " $\"%28280%2Bn%29%2Ar%2A7=3%2F4\"$
\n" ); document.write( " $\"280%2Bn=%283%2F4%29%281%2F7r%29\"$
\n" ); document.write( " $\"n=%283%2F%2828r%29%29-280\"$
\n" ); document.write( " $\"n=3%2F%2828%281%2F%2812%2A280%29%29%29-280\"$
\n" ); document.write( " $\"n=3%2A12%2A280%2F28-280\"$
\n" ); document.write( " $\"3%2A12%2A10-280\"$
\n" ); document.write( " $\"360-280\"$
\n" ); document.write( " $\"highlight%2880=n%29\"$ \n" ); document.write( "

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